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Ken Takeuchi (武内 健,Takeuchi Ken?, born February 20, 1978) is a Japanese voice actor who works for Arts Vision.

Takeuchi learned voice acting in Institute of Japan Narration Act.[1] In 2000, Takeuchi debuted as a main character in Photogenic (Video game), after then he was playing minor roles for a while. However, in 2003, Takeuchi played as one of main characters, Ranmaru Miura, in Dear Boys (also known as Hoop Days). It became a representative work in his early career.

Recently, Takeuchi is also known for his roles as Keita Suminoe in Kiss×Sis, Lithuania in Hetalia: Axis Powers, Alvando in Real Rode series (Video game).